.seo-document,
.seo-document * {
  box-sizing: border-box;
}

.seo-document {
  margin: 0;
  color: #1a1a2e;
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

.seo-document a {
  text-decoration: none;
}

.seo-document a:hover {
  text-decoration: underline;
}

.seo-document .container {
  width: min(100% - 40px, 1180px);
  margin: 0 auto;
}

.seo-site-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid #e5e7eb;
}

.seo-site-nav .container {
  display: flex;
  min-height: 64px;
  align-items: center;
  gap: 24px;
}

.seo-site-nav a:not(.logo),
.seo-document-main a,
.seo-site-footer a {
  color: #3156c8;
}

.seo-document-main {
  padding: 48px 0 64px;
  line-height: 1.8;
}

.seo-document-main .container {
  max-width: 900px;
}

.seo-document-main img {
  max-width: 100%;
}

.seo-document-main h1 {
  margin: 24px 0 18px;
  font-size: 34px;
  line-height: 1.3;
}

.seo-document-main h2 {
  margin: 34px 0 12px;
  font-size: 24px;
}

.seo-document-main h3 {
  margin: 22px 0 8px;
  font-size: 18px;
}

.seo-document-main p,
.seo-document-main li {
  color: #4b5563;
  font-size: 16px;
}

.seo-document-main ol,
.seo-document-main ul {
  padding-left: 24px;
}

.seo-site-footer {
  padding: 24px 0;
  border-top: 1px solid #e5e7eb;
  color: #4b5563;
}

@media (max-width: 700px) {
  .seo-site-nav .container {
    min-height: 58px;
    gap: 14px;
  }

  .seo-site-nav .logo {
    font-size: 16px;
  }

  .seo-site-nav a:not(.logo) {
    font-size: 13px;
  }

  .seo-document-main {
    padding: 32px 0 48px;
  }

  .seo-document-main h1 {
    font-size: 28px;
  }

  .seo-document-main h2 {
    font-size: 21px;
  }
}